Home / 7,171,412.01-9,896,259.85-3,908,156.68

Finding the Fourth Proportional to 7,171,412.01, 9,896,259.85 and 3,908,156.68

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Solution

The fourth proportional to 7,171,412.01, 9,896,259.85 and 3,908,156.68 is: 5,393,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,412.01 : 9,896,259.85 = 3,908,156.68 : x
  2. Step 2: Convert to fraction form
    7,171,412.01/9,896,259.85 = 3,908,156.68/x
  3. Step 3: Cross multiply
    7,171,412.01x = 9,896,259.85 × 3,908,156.68
  4. Step 4: Simplify right side
    7,171,412.01x = 38,676,134,039,793.30
  5. Step 5: Solve for x
    x = 38,676,134,039,793.30/7,171,412.01
  6. Step 6: Final answer
    x = 5,393,098.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.